package com.itheima.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/*
    获取路径的相关方法
*/
@WebServlet("/servletDemo01")
public class ServletDemo01 extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // 获取虚拟目录名称 getContextPath
        String contextPath = req.getContextPath();
        System.out.println(contextPath);

        // 获取Servlet的映射路径 getServletPath
        String servletPath = req.getServletPath();
        System.out.println(servletPath);
        
        // 获取访问者ip getRemoteAddr
        String ip = req.getRemoteAddr();
        System.out.println(ip);
        
        // 获取请求消息的数据 getQueryString
        String queryString = req.getQueryString();
        System.out.println(queryString);

        // 获取统一资源标识符 getRequestURI
        String requestURI = req.getRequestURI();
        System.out.println(requestURI);

        // 获取统一资源定位符 getRequestURL
        StringBuffer requestURL = req.getRequestURL();
        System.out.println(requestURL);
    }


    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req,resp);
    }
}
